Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 048c891641a34925575cfe3198da57d5f52fc948d8891311132087b4cc8fb2336ec797684728cbfb5a3e7e4def60957d851055c74df7f3f374755c0e072d6df68d